Here are a couple recommendations that may help with Wi-Fi connectivity issues and the Invalid IP address condition.
Download and Run the Intel® Driver Update Utility and update the Wireless adapter driver to the most recent/ recommended version.
Apply the configuration from the advisory: Wireless Networking — What are the Recommended Settings for 802.11n Connectivity?
If the issue persists, provide the following information:
- Operating System version
- Wireless adapter model
- Wireless access point model and firmware version
- Was this working fine before?
- Is this the adapter that came installed from factory with the computer?